Plastics. Resins in the liquid state or as emulsions or dispersions. Determination of apparent viscosity using a single cylinder type rotational viscometer method (ISO 2555:2018)
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This document specifies a method of determining apparent viscosity of resins in a liquid state using a single cylinder type rotational viscometer. The method can be used for viscosity measurements in the range from 0,02 Pa · s to 60 000 Pa · s. This document is applicable to both Newtonian and non-Newtonian liquids and the measured apparent viscosity depends on the velocity gradient to which the liquids are subjected during the measurement.
Tämän julkaisun valmistelusta Suomessa vastaa Kemesta ry, puh. 040 820 4888.
Sisällysluettelo
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
4.1 General
4.2 Operating principle
4.3 Brief description
5 Apparatus
5.1 Single cylinder type rotational viscometer
5.2 Thermostatic liquid bath
5.3 Additional apparatus
6 Choice of spindle and rotational speed
7 Procedure
8 Expression of results
9 Test report
Annex A Choice of test conditions for general application to resins in the liquid state, emulsions and dispersions (informative)